Solar Water Pump Size Calculator & Borehole Sizing
Size a solar water pump from daily demand, borehole drawdown and pipe losses. Estimate PV kWp, pump horsepower, hourly flow and intake submergence.
Size a solar water pump from daily demand, borehole drawdown and pipe losses. Estimate PV kWp, pump horsepower, hourly flow and intake submergence.
Calculate radiator design flows, Darcy pipe losses, required valve kv and pump head for up to six parallel circuits. Compare entered kv values and watch the flow split.
Estimate water underfloor heating output from pipe spacing, screed, covering and water temperatures. Check surface limits, pipe lengths, loop flow and pressure drop.
Calculate pipe pressure drop, pump head, shaft power and NPSHa with Darcy–Weisbach. Compare system and pump curves using Colebrook or Swamee–Jain friction factors.
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